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Published in 2005
Students have the opportunity to take a core sample of their local soil. Using PVC piping, a section of soil is pulled up, allowing students to observe the soil's different layers. Those layers are then separated and identified. The identification process helps students understand what elements make...
Grade Level   5 6 7 8
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2
Scientists, engineers, and others create geologic maps to determine the best places for people to settle, build, farm, and use land in a variety of ways. They also use geologic maps to monitor the ways that human activity might be changing the land itself over time. As the Geologic Map of Karst in...
Grade Level   6 7 8 9 10 11 12
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3
"There are many glaciers all over Alaska. Flying into Lake Clark National Park and Preserve through Lake Clark Pass, you will see many glaciers. These glaciers were growing during the last Ice Age. Now many are retreating because Alaska is getting warmer. As the glaciers melt they leave behind...
Grade Level   5 6 7 8 9 10 11 12
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4
How do geologists understand the Earth’s history? In part, they measure the age of rocks and other natural materials by dating techniques. They can date rocks by gauging the amount of decay of radioactive elements. The time necessary for half of any given amount of one element (the “parent...
Grade Level   5 6 7 8 9
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5
This activity allows students to experience what rocks and minerals go through during the rock cycle. The activity explains how to manipulate chocolate using heated water and a knife into different states representing metamorphic, igneous, and sedimentary rocks. Chocolate can be ground into small...
Grade Level   3 4 5 6 7 8
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6
This activity teaches the student to identify minerals by observing and testing the physical properties of each mineral. Have students compare their test results with the Mineral Identification Sheet.
Grade Level   4 5 6 7 8 9 10 11 12
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7
Raindrops contain more than just water. In addition to the small particles of dust around which water drops form, raindrops can contain chemicals found in the atmosphere. Often rain is slightly acidic. This “acid rain” can chemically affect (weather) materials it touches. The amount of...
Grade Level   6 7 8 9 10
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8
Sinkholes are natural depressions in the land caused when limestone and soils dissolve. They form when groundwater removes rock underground. They can form by slow gradual sinking or by sudden collapse of an underlying hole. Sinkholes are common in about one quarter of the U.S. You can usually...
Grade Level   6 7 8 9 10
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9
"Since 1970, oil and natural gas have provided more than half of the energy used each year in the United States to produce electricity, heat, transportation fuels, and many everyday products from balloons to vitamins. Oil and natural gas are forms of petroleum, a word that literally means...
Grade Level   6 7 8 9 10 11 12
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10
EarthCaching is an exciting educational activity through which you can learn about Earth and the natural processes that shape our planet over time. By combining GPS technology with outdoor field experiences, EarthCaching allows students and others to experience the wonders of Earth in an entirely...
Grade Level   6 7 8 9 10 11 12
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11
One of the most frightening and destructive phenomena of nature is a severe earthquake and its terrible aftereffects. An earthquake is a sudden movement of the Earth, caused by the abrupt release of strain that has accumulated over a long time. For hundreds of millions of years, the forces of plate...
Grade Level   7 8 9 10 11 12
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